Classifications

• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
  • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
  • A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
  • A47J43/07—Parts or details, e.g. mixing tools, whipping tools
  • A47J43/0727—Mixing bowls
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
  • A47J27/00—Cooking-vessels
  • A47J27/004—Cooking-vessels with integral electrical heating means
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
  • A47J27/00—Cooking-vessels
  • A47J27/21—Water-boiling vessels, e.g. kettles
  • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
  • A47J27/2105—Water-boiling vessels, e.g. kettles electrically heated of the cordless type, i.e. whereby the water vessel can be plugged into an electrically-powered base element

Definitions

• the present invention relates to the technical field of electrical household appliances for preparing food and / or drinks comprising a container associated with heating means.
• the present invention more particularly relates to a heating vessel and a heating device for an apparatus of the aforementioned type.
• the present invention also relates to an appliance for preparing food and / or drinks comprising a heating container.
• An object of the present invention is to simplify the production of a heating container or heating device for a container of a household appliance for preparing food and / or drinks.
• Another object of the present invention is to provide a heating container or a heating device for a container of a food preparation appliance and / or drinks for a more efficient heating of food or drinks contained in the container of the device.
• Another object of the present invention is to provide a heating container or heating device for a container of a food preparation appliance and / or drinks for making a wider variety of culinary preparations.
• Another object of the present invention is to provide a heating vessel for household appliances for the preparation of food and / or drinks, comprising a heating device of the aforementioned type.
• Another object of the present invention is to provide an electrical appliance for preparing food and / or drinks having a heating container of the aforementioned type.
• a heating device for a heating container of a food and / or drink preparation appliance comprises an annular portion secured annularly with a peripheral portion of a bottom heating, and that means for maintaining a removable annular container side wall are provided on said annular portion.
• the annular portion equipped with means for holding a removable annular container side wall constitutes an intermediate element between said removable annular container side wall and the heating bottom.
• the annular portion attached to the heating bottom makes it possible to mechanically couple with the removable annular container side wall.
• the annular portion may in particular, depending on the materials used, create a thermal brake between the heating bottom and the removable annular side wall of the container, or on the contrary ensure the diffusion of the calories from the heating bottom to the removable annular side wall of the container.
• These provisions make it possible to produce a heating container of electrical household appliances for the preparation of food and / or drinks having a configuration adapted to the preparation to be carried out, while maintaining an economical construction.
• the proposed heating device forms a container base that can be used with different annular side walls of shape and / or different materials.
• These provisions reduce the cost of repairing a heating vessel whose annular side wall is damaged.
• These provisions also make it possible to increase the number of accessories of a food preparation appliance and / or heated drinks, for a low cost.
• These provisions also make it possible to increase the number of versions of electrical food preparation appliances and / or heated drinks while maintaining a standardized construction for the heating part.
• the annular portion is devoid of metal structure connected to the peripheral portion of the heating base.
• the annular portion can be made of a low heat conducting material having a low heat capacity.
• said annular portion forms a thermal brake avoiding the dissipation of calories from the heating base.
• at least the portion of the annular portion connecting the holding means to the peripheral portion of the heating base is made of plastic.
• the annular portion is made of plastic.
• the annular portion may in particular comprise a metal portion such as an external metal cladding.
• the annular portion comprises a piece overmolded around the heating bottom. This construction makes it possible to economically produce a durable and sealed assembly of the annular portion with the peripheral portion of the heating base.
• the heating base comprises a plate carrying a screen-printed heating element.
• This arrangement makes it possible to heat the heating base more evenly and to promote a more precise control of the temperature.
• the screen-printed heating elements also have the advantage of a low emissivity by radiation.
• the plate is made of low heat conducting material, for example stainless steel or glass, rather than aluminum.
• the heating produced by the heating base is essentially by conduction through the plate.
• the calories are diffused essentially through the thickness of the plate towards the contents of the container, and not transversely in the plate towards the periphery of the plate, which contributes to reducing the temperatures encountered in the annular part.
• the portion of the annular portion connecting the holding means to the peripheral portion of the heating base made of plastic also contributes to reducing the radiator effect.
• said annular portion extends below the heating bottom.
• said annular portion can serve as a means of support.
• said annular portion forms a lower annular wall extending below the heating bottom.
• said annular portion forms an upper annular wall rising from the heating bottom. This provision allows simplifying the assembly of the removable annular container side wall on said annular portion.
• the holding means are arranged on the upper annular wall. This arrangement simplifies the assembly of the annular side wall of the container with the annular portion. This arrangement also simplifies the construction of the container.
• the holding means comprise a bayonet locking ring mounted movably relative to the upper annular wall.
• the annular side wall of the container can thus be placed in place without rotation with respect to the heating device.
• the holding means define a helical path.
• the holding means may comprise threads or portions of threads designed to cooperate with conformations adapted to the annular side wall of the container.
• the heating base has means for receiving a rotary working tool.
• the means for receiving a rotary working tool comprise a drive element.
• the rotary working tool may be attached to the upper part of the driving element extending above the bottom, or conversely removable from the upper part of the driving element extending to the above the bottom.
• the means for receiving a rotary working tool comprise a guide member.
• the guiding member may in particular form an axis receiving the lower end of the working tool or a conformation receiving a support element of the rotary working tool, this bearing element being free to rotate relative to to a main part of the rotary working tool.
• the workout of the rotary work tool may be a higher workout or a lower workout.
• a seal may be provided between the removable annular container side wall and the heater.
• the seal may in particular be interposed between the removable annular side wall of the container and the heating device.
• the seal may in particular be integrated with the lower part of the removable annular container side wall, for example by overmolding.
• the seal rests on the annular part at the periphery of the heating base. This arrangement makes it possible to reduce the heating of the joint, and contributes to improving the durability of the joint.
• a food appliance and / or beverage heating appliance heating vessel since said heating container has a base and an annular container side wall mounted on said base, said base including a portion annularly secured annular with a peripheral portion of a heating bottom and the annular container side wall being attached to the annular portion.
• the heating device is made integral and not removable from the annular container side wall.
• the annular portion is fixed on the one hand to the annular side wall of the container and on the other hand to the heating bottom.
• the annular portion constitutes an intermediate element between the annular container side wall and the heating bottom.
• the annular portion may in particular create a thermal brake between the heating bottom and the annular side wall of the container, or on the contrary ensure the diffusion of heat from the heating bottom to the annular side wall of the container.
• a seal may be provided between the annular container side wall and the heater.
• the seal may in particular be interposed between the annular container side wall and the heating device.
• the seal may in particular be integrated in the lower part of the annular container side wall, for example by overmolding.
• the seal rests on the annular part at the periphery of the heating base. This arrangement makes it possible to reduce the heating of the joint, and contributes to improving the durability of the joint.
• the annular portion is devoid of metal structure connected to the peripheral portion of the heating base.
• the heating means are associated with the heating base and not with the annular part.
• the annular portion does not have to accumulate high calories and / or strongly dissipate the calories and / or strongly transmit the calories to the annular container side wall.
• the annular portion can be made of a low heat conducting material having a low heat capacity.
• said annular portion forms a thermal brake avoiding the dissipation of calories from the heating base.
• At least the portion of the annular portion connecting the annular container side wall to the peripheral portion of the heating base is made of plastic.
• the annular portion is made of plastic.
• the annular portion may in particular comprise a metal portion such as an external metal cladding.
• the annular portion comprises a piece overmolded around the heating bottom. This construction makes it possible to economically produce a durable and sealed assembly of the annular portion with the peripheral portion of the heating base.
• the heating base comprises a plate carrying a screen-printed heating element.
• This arrangement allows to heat more uniformly the heating bottom and to promote a more precise control of the temperature.
• the screen-printed heating elements also have the advantage of a low emissivity by radiation.
• the plate is made of low heat conducting material, for example stainless steel or glass, rather than aluminum.
• the heating produced by the heating base is essentially by conduction through the plate.
• the calories are diffused essentially through the thickness of the plate towards the contents of the container, and not transversely in the plate towards the periphery of the plate, which contributes to reducing the temperatures encountered in the annular part.
• the portion of the annular portion connecting the holding means to the peripheral portion of the heating base made of plastic also contributes to reducing the radiator effect.
• said annular portion extends below the heating bottom.
• said annular portion can serve as a means of support.
• said annular portion forms a lower annular wall extending below the heating bottom.
• said annular portion forms an upper annular wall rising from the heating bottom. This arrangement simplifies the assembly of the removable annular container side wall on said annular portion.
• the heating base has means for receiving a rotary working tool.
• the means for receiving a rotary working tool comprise a drive element.
• the rotary working tool may be attached to the upper part of the driving element extending above the bottom, or conversely removable from the upper part of the driving element extending to the above the bottom.
• the means for receiving a tool for rotating work comprise a guide member.
• the guiding member may in particular form an axis receiving the lower end of the working tool or a conformation receiving a support element of the rotary working tool, this bearing element being free to rotate relative to to a main part of the rotary working tool.
• the workout of the rotary work tool may be a higher workout or a lower workout.
• an appliance for preparing food and / or beverages comprising a heating vessel according to at least one of the preceding characteristics.
• a set of accessories for domestic appliances for food preparation and / or drinks comprising a base and at least two annular container side walls that can be mounted on said base, because said base forms a heating device according to at least one of the preceding characteristics.
• a seal may be provided between the removable annular container side wall and the heater.
• the seal may in particular be interposed between the removable annular side wall of the container and the heating device.
• the seal may in particular be integrated with the lower part of the removable annular container side wall, for example by overmolding.
• the seal rests on the annular part at the periphery of the heating base. This arrangement makes it possible to reduce the heating of the joint, and contributes to improving the durability of the joint.
• said set of accessories of domestic appliance for food preparation and / or beverage comprises two annular container side walls of different geometries. This arrangement makes it possible to obtain containers that are better adapted to the preparations to be made.
• said set of accessories for household appliances for preparing food and / or drinks comprises two annular container side walls made of different materials. This arrangement also makes it possible to obtain containers that are better adapted to the preparations to be made.
• an appliance for preparing food and / or drinks comprising a heating container made from a set of accessories for household appliances for preparing food and / or drinks according to the invention.
• said appliance for preparing food and / or drinks comprises a rotary working tool disposed in said heating container, and a housing comprising means for driving the rotary working tool.
• the heating container may in particular be arranged on the housing or under the housing.
• FIG. 1 is a perspective view of a first exemplary embodiment of a food and / or beverage preparation appliance comprising a heating container comprising a heating device according to the invention
• FIG. 2 is a perspective and exploded view of the heating container illustrated in FIG. 1, showing better the heating device,
• FIG. 3 is a perspective view of a heating base belonging to the heating device illustrated in FIGS. 1 and 2;
• FIG. 4 is a view of the heating device illustrated in FIGS. 1 and 2 after overmolding of an annular portion; and a central core on the heating bottom shown in FIG. 3,
• FIG. 5 is a view of the heating device illustrated in FIGS. 1 and 2, after adding a connector to the heating base as illustrated in FIG. 4,
• FIG. 6 is a view of the heating device illustrated in FIGS. 1 and 2, after adding polymer material to cover the heating base as shown in FIG. 5,
• FIG. 7 is a perspective view of a container element adapted for use with the heating device illustrated in FIG. 6;
• FIG. 8 is a perspective view of another container element adapted for use with the heating device illustrated in FIG.
• FIG. 9 is a sectional view of the container element illustrated in FIG. 8, assembled with the heating device illustrated in FIG. 6,
• FIG. 10 is a sectional view of the container element illustrated in FIG. 8, assembled on an alternative embodiment of the heating device illustrated in FIG. 6;
• FIG. 11 is a perspective and exploded view of a second exemplary embodiment of a food and / or beverage preparation appliance comprising a heating container comprising a heating device according to the invention
• FIG. 12 is a sectional view of the heating container illustrated in FIG. 11, showing better the heating device,
• FIG. 13 is a sectional view of an alternative embodiment of the heating vessel illustrated in Figures 11 and 12, comprising a heating device according to the invention.
• the appliance for food preparation and / or drinks illustrated in Figure 1 comprises a base 1 forming a base 2 receiving a heating vessel 3.
• the heating vessel 3 is associated with a cover 4.
• FIG. 2 illustrates the heating container 3 shown in FIG. 1.
• the heating container 3 comprises a base 10 and an annular lateral wall 20 of container removably mounted on the base 10.
• the base 10 comprises an annular portion 11 surrounding a bottom 12.
• the annular portion 11 is assembled with the heating base 12.
• the base 10 may comprise a rotary working tool, not shown in Figure 2.
• the heating base 12 has an axial opening 8.
• the annular portion 11 has an inner annular flange 13.
• the bottom heater 12 is connected to the inner annular collar 13.
• the annular portion 11 extends above the heating base 12.
• the annular portion 11 forms an upper annular wall 14 rising from the heating bottom 12.
• the upper annular wall 14 is peripheral.
• the annular portion 11 also extends below the heating bottom 12.
• the annular portion 11 forms a lower annular wall 15 extending below the heating bottom 12.
• the lower annular wall 15 is peripheral.
• Means 30 for holding the removable annular lateral container wall 20 are provided on the annular portion 11.
• the holding means 30 are designed to cooperate with an external face of the removable annular lateral container wall 20, as shown in FIG. figure 6.
• the holding means 30 are arranged on the upper annular wall 14. More particularly, the holding means 30 comprise a locking ring 31 bayonet mounted movable relative to the upper annular wall 14.
• the locking ring 31 comprises lower legs 32 provided with external hooks 33 and the annular portion 11 has internal longitudinal slots 16 opening into an inner peripheral groove portion 17 of the upper annular wall 14.
• the locking ring 31 has internal longitudinal grooves 34 opening between two lower tabs 32 at a distance from one of said lower tabs.
• a lower edge 35 of the locking ring 31 adjacent to one of the internal longitudinal grooves 34 forms a retaining means for a lug 21 formed on the outer face of the lower portion of the removable annular side wall 20 container.
• a lateral face 36 of the lower lug adjacent to said lower edge 35 forms a lateral locking stop for said lug 21.
• the annular side wall advantageously comprises at least three lugs 21, and preferably four lugs 21, as shown in FIG. 2.
• the annular portion 11 is advantageously made of plastic. According to a preferred embodiment illustrated in FIGS. 3 to 6 and 9, the part annular 11 comprises a piece overmolded around the heating bottom 12.
• the heating base 12 comprises a plate 50 associated with heating means 51.
• the heating means 51 are formed by a silkscreened heating element 52 disposed under the plate 50.
• One or more layers of dielectric insulation may be deposited between the plate 50 and the conductive tracks of the screen-printed heating element 52 and / or on the conductive tracks of the screen-printed heating element 52.
• the plate 50 is advantageously made of stainless steel, for example stainless steel of F17, 403 or 430 type.
• FIG. 3 illustrates the heating base 12 formed by the plate 50 carrying the screen-printed heating element 52.
• the screen-printed heating element 52 is made on the lower face of the plate 50.
• the plate 50 forms a disk.
• the thickness of the plate 50 is for example 1.2 mm, to facilitate the welding of a ground pin 53.
• the heating base 12 has a central portion 54 carrying the heating means 51 formed by the screen-printed heating element 52.
• the heating base 12 has a peripheral portion 55 advantageously comprising a raised edge 56 and cutouts 57.
• the raised edge 56 allows to improve the rigidity of said heating base 12.
• the cuts 57 make it easier to attach the annular portion 11 to the peripheral portion 55.
• the plate 50 advantageously has a swept area 58 between the central portion 54 and the peripheral portion 55 of the
• the resistive tracks of the screen-printed heating element 52 are surrounded by the embossed zone 58 and advantageously extend at a distance of at least 3 mm from the embossed zone 58.
• a central passage 59 is formed in the plate 50.
• the central passage 59 may advantageously have notches 60 as visible in the figure 3 and / or a raised edge. If desired the notches can be raised or not. The raised edge may be continuous or not.
• the resistive tracks of the serigraphed heating element 52 surround the central passage 59.
• the resistive tracks of the screen-printed heating element 52 are formed on an intermediate annular zone 61 of the heating base 12.
• the intermediate annular zone 61 surrounds a central zone 62 of the heating base 12 devoid of resistive tracks.
• the intermediate annular zone 61 is surrounded by a peripheral zone 63 of the heating base 12 also lacking resistive tracks.
• the intermediate annular zone 61 and the central zone 62 are formed on the central portion 54 of the heating bottom 12.
• FIG. 4 illustrates the base 10 after overmoulding of the annular portion 11 around the heating base 12.
• the annular portion 11 is assembled with the peripheral portion 55 of the heating base 12.
• the annular portion 11 is made of suitable material (x) ( s) at the temperatures reached by the peripheral portion 55 of the heating base 12.
• the annular portion 11 may for example be made of glass filled polypropylene, in particular for the heating means 51 having a power of about 1000 W associated with the plate 50 made of stainless steel.
• the annular portion 11 may also be made of PBT, in particular for heating means 51 having a higher amount, up to 3000 W, associated with the plate 50 made of stainless steel.
• the annular portion 11 of the base 10 is overmolded around the central portion 54 of the heating base 12.
• the annular portion 11 is overmolded on the peripheral portion 55 around the embossed zone 58.
• the annular portion 11 is secured annularly with the peripheral portion 55 of the heating bottom 12.
• the peripheral zone 63 forms a thermal brake between the heating means 51 and the annular portion 11.
• the holding means 30 are formed inside the annular wall 14 of the annular portion 11, as visible in Figure 2.
• the annular portion 11 forms an annular thermal brake made of non-metallic material between the holding means 30 and the peripheral portion 55 of the heating base 12 and allows to to avoid the dispersion of the calories coming from the heating bottom 12 towards the removable annular lateral container wall.
• a central core 64 is overmolded in the central zone 62 around the central passage 59.
• the notches 60 (visible in FIG. 3) facilitate the attachment of the central core 64 to the central portion 54 of the heating base 12.
• the central zone 62 forms a thermal brake between the heating means 51 and the central core 64.
• FIG. 5 illustrates the base 10 after mounting a connector 9 on the lower face of the heating base 12.
• the connector 9 is arranged around the ground stud 53.
• the screen-printed heating element 52 advantageously has a saving at the level of the central core 64.
• the heating base 12 is devoid of resistive tracks belonging to to the serigraphed heating element 52.
• the central area of the screen-printed heating element is usually one of the hottest areas.
• the resistive tracks of the screen-printed heating element 52 advantageously extend at a distance of at least 3 mm from the central core 64, for example at a distance of 10 mm.
• FIG. 6 illustrates the base 10 after adding polymer material 65 to cover the underside of the plate 50 carrying the screen-printed heating element 52.
• FIGS. 7 and 8 illustrate other annular lateral walls 24, 26 of containers that can be mounted on the base 10 in place of the annular lateral wall 20.
• the annular lateral walls 20, 24, 26 of the container are of different geometry.
• the annular side walls 20, 24, 26 of the container may also be made of different materials, for example example plastic, stainless steel, glass or even ceramic.
• FIG. 9 illustrates a food and / or drink preparation appliance heating vessel 37 having the base 10 illustrated in FIGS. 1 to 6 and the annular container side wall 26 illustrated in FIG. removable on said base 10 by means of the locking ring 31.
• the annular portion 11 forms an outer wall of the heating container 37.
• the annular side wall 26 of the container is mounted inside the annular portion 11.
• the heating base 12 has means 18 for receiving a rotary working tool 6.
• the receiving means 18 of the rotary working tool 6 comprise a driving element 19.
• the driving element 19 passes through the axial opening 8 of the heating bottom 12.
• the driving element 19 is mounted in the central core 64.
• the rotary working tool 6 can be fixed to the upper part of the driving element 19 or on the contrary be removable relative to the driving element 19, as shown in FIG. 9.
• a seal 40 is interposed between the base 10 and a lower annular edge 22 of the annular side wall 20, 26 removable container.
• the seal 40 rests on the annular portion 11 at the periphery of the heating base 12.
• the seal 40 is placed in compression between the annular portion 11 and the lower annular edge 22 of the annular lateral wall 20, 26 of removable container by means of the crown In particular, the seal 40 rests on the inner annular flange 13.
• the seal 40 could in particular be overmoulded on the lower annular edge 22 of the removable annular side wall 20, 24, 26 of the container.
• the seal 40 is advantageously arranged at a distance from the heating means 51.
• the seal 40 is disposed at the periphery of the conductive tracks of the screen-printed heating element 52.
• the base 10 can be used with each of the annular side walls 20, 24, 26.
• the base 10 forms in particular a heating device 5 for the heating container 3 of the food and / or drink preparation appliance illustrated in FIG. 1, or for the heating vessel 37 illustrated in FIG. 9.
• the appliance for preparing food and / or drinks illustrated in FIG. 1 can receive a heating container formed by the base 10 and one of the annular side walls 20, 24, 26.
• the household food and / or beverage preparation appliance receiving the heating vessel 37 formed by the base 10 and the annular wall 26 shown in FIG. 9 comprises a rotary working tool 6 disposed in the heating vessel 37, and a housing 7 comprising means for driving the rotary working tool 6, the housing 7 being formed by the base 1 shown in FIG.
• the annular side walls 20, 24, 26 and the base 10 form a set of accessories for household appliances for preparing food and / or drinks.
• FIG. 10 illustrates a heating container 38 of a food and / or beverage preparation appliance, in which the annular side wall 26 shown in FIGS. 8 and 9 is mounted on a base 10 'having a central core 64' forming a chimney 8 '.
• the base 10 ' has an annular portion 11' surrounding a heating base 12 '.
• the annular portion 11 ' is identical to the annular portion 11 of the base 10.
• the annular portion 11' forms an outer wall of the heating vessel 38.
• the annular portion 11 ' is secured annularly with the peripheral portion 55' of the bottom heating element 12 'in a manner identical to the assembly of the annular portion 11 with the heating base 12 of the base 10.
• the heating base 12' is identical to the heating base 12 with the exception of the central core 64 'replacing the central core 64.
• the annular portion 11 ' forms an annular thermal brake made of non-metallic material between the holding means 30' and the peripheral portion 55 'of the heating base 12'.
• the base 10 ' has a connector 9'.
• the base 10 ' has receiving means 18' of a rotary working tool (not shown in FIG. 6).
• the guide member 19 ' is formed by the chimney 8' rising from the heating bottom 12 '.
• Holding means 30 'of the removable annular side wall 26 of the container are provided on the annular portion 11'.
• the holding means 30 ' are disposed on the upper annular wall 14' of the annular portion 11 '.
• the holding means 30 ' comprise a locking ring 31' bayonet mounted movable relative to the upper annular wall 14 '.
• the annular side wall 26 of the container is mounted inside the annular portion 1 V.
• the base 10 ' can be used with each of the annular side walls 20, 24, 26.
• the base 10' forms in particular a heating device 5 'for the heating vessel 38 illustrated in FIG.
• the appliance for food preparation and / or drinks illustrated in Figure 11 comprises a base 101 forming a base 102 receiving a heating vessel 103 associated with a cover 104, and a housing 107 having drive means a rotary working tool 106.
• the food and / or beverage preparation appliance illustrated in FIG. 11 differs from the food and / or beverage preparation appliance illustrated in FIG. 1 in that the housing 107 is formed by the lid 104.
• the annular portion 111 is assembled with the peripheral portion 155 of the heating base 112 in an identical manner to the assembly of the annular portion 11 with the heating base 12 of the base 10.
• the annular portion 111 forms an annular thermal brake made of non-metallic material between the annular side wall 120 of the container and the peripheral portion 155 of the heating base 112.
• the annular annular side wall 120 is mounted inside the annular portion 111.
• the base 110 is devoid of rotary working tool.
• the heating base 112 has receiving means 118 of the rotary working tool 106, visible in FIG. 12.
• the receiving means 118 of the rotary working tool 106 comprise a guiding element 119.
• the guide member 119 is formed by an axis provided to receive the rotary working tool 106.
• the guide member 119 may be formed by a conformation formed on the upper face of the heating base 112, this conformation receiving a support element of the rotary working tool.
• said support member may be rotatably mounted relative to the main portion of the rotary working tool carrying the working member; said support member being immobilizable, in particular in rotation, relative to the base 110.
• the annular side wall 120 of the container is fixed to the annular portion 111, for example by gluing.
• a seal 140 is advantageously interposed between the base 110 and a lower annular edge 122 of the annular side wall 120 of the container.
• the position of the seal 140 is identical to the position of the seal 40. If desired the seal 140 may be overmolded on the lower annular edge 122 of the annular side wall 120 of the container.
• the heating vessel 203 illustrated in Fig. 13 differs from the heating vessel 103 illustrated in Figs. 11 and 12 in that the annular annular side wall 220 is removable.
• the base 210 forms a heating device 205 for the heating vessel 203 of the appliance for preparing food and / or drinks illustrated in FIG. 11.
• the heating device 205 has an annular portion 211 surrounding a heating bottom 212.
• the annular portion 211 forms an outer wall of the heating vessel 203.
• the annular portion 211 is assembled with the peripheral portion 255 of the heating bottom 212 in a manner identical to the assembly of the annular portion 11 with the heating base 12 of the base 10.
• the heating base 212 is identical to the heating base 112 illustrated in Figure 12.
• the annular portion 211 forms an annular thermal brake made of non-metallic material between the means of 230 and the peripheral portion 255 of the heating bottom 212.
• the heating base 212 comprises a plate 250 carrying a screen-printed heating element 252.
• the plate 250 is advantageously identical to the plate 50.
• the screen-printed heating element 252 can easily have resistive tracks.
• the heating base 212 comprises receiving means 218 of the rotary working tool 106.
• the reception means 218 comprise a guide member 219.
• the polymer 265 advantageously covers the bottom face of the heating base 212.
• Retaining means 230 of the removable annular side wall 220 of the container are provided on the annular portion 111.
• the holding means 230 are arranged on the upper annular wall 214 rising from the heating bottom 212.
• the holding means 230 define a helical path for a screw connection with conformations 229 provided on the removable annular side wall 220 of the container.
• the annular removable side wall 220 of container is mounted inside the annular portion 211.
• a seal 240 is advantageously interposed between the base 210 and a lower annular edge 222 of the removable annular side wall 220 of the container.
• the position of the seal 240 is identical to the position of the seal 40.
• annular container side walls may be used with the base 210.
• the heating base 12; 12 '; 112; 212 and / or the annular portion 11; 11 '; 111; 211 and / or the annular side wall 20; 24; 26; 120; 220 container does not necessarily (not) have a circular geometry.
• the plate 50; 150; 250 is not necessarily made of stainless steel, but may in particular be made of aluminum or glass.
• the plate 50; 150; 250 may have a perforated periphery and / or cut, to facilitate the connection with the annular portion 11; 11 '; 111; 211.
• the power of the heating base 12; 12 ';112; 212 can be adapted to the envisaged uses, with for example a power of heated to about 500 W to 1200 W for a food processor type food preparation appliance having a rotary working tool, and up to 3000 W for a kettle type beverage preparation apparatus usually without rotary working tool.
• the heating base 12; 12 ';112; 212 may have several power levels.
• the heating means 51 are not necessarily formed by a screen-printed heating element 52; 152; 252.
• the different means of receiving a rotary working tool can be combined with the different means of assembly between the base and the container side wall.
• the heating device or the heating container of an appliance for food preparation and / or drinks according to the invention may be devoid of reception means of a rotating work tool.
• the appliance for preparing food and / or drinks according to the invention can then, if desired, be devoid of a housing comprising means for driving a rotary working tool.
• the annular side wall 20; 24; 26; 120; 220 container is not necessarily mounted within the annular portion 11; 11 '; 111; 211.
• the annular portion 11; 11 ';111; 211 may in particular have a metal outer covering.
• the portion of the annular portion 11; 11 ';111; 211 connecting the holding means 30; 30'; 230 or the container 120 to the peripheral portion 55; 55 ';155; 255 of the heating bottom 12; 12 ';112; 212 is made of plastic.
• the present invention is in no way limited to the described exemplary embodiments and their variants, but encompasses many modifications within the scope of the claims.

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• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Mechanical Engineering (AREA)
• Cookers (AREA)

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• 2007
  • 2007-12-21 FR FR0709075A patent/FR2925275A1/fr active Pending
• 2008
  • 2008-12-19 CN CN2008801218815A patent/CN101902940B/zh active Active
  • 2008-12-19 ES ES08872611T patent/ES2368882T3/es active Active
  • 2008-12-19 EP EP08872611A patent/EP2240054B1/fr active Active
  • 2008-12-19 AT AT08872611T patent/ATE515216T1/de not_active IP Right Cessation
  • 2008-12-19 WO PCT/FR2008/001802 patent/WO2009103904A2/fr active Application Filing

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